Waterfront vacation rentals in Union

Find and book unique waterfront rentals on Airbnb

Top-rated waterfront rentals in Union

Guests agree: these waterfront rentals are highly rated for location, cleanliness, and more.

%{current} / %{total}1 / 1
Top guest favorite
An aerial view captures the coastal cottage set on a granite ledge beside the Penobscot River. Surrounding trees in autumn hues frame the property, and the tranquil water reflects the colorful foliage, creating a serene natural setting.
Home in Hampden
5 out of 5 average rating, 131 reviews

Cozy Cottage on the Penobscot — Panoramic Luxury!

Escape to your private waterfront retreat where tranquility meets luxury. Our Coastal Maine Cottage style home rests on a granite ledge that disappears twice daily with the tide. Enjoy a sun-filled interior with cherry floors, a gourmet kitchen, and a private deck for sunrise coffee or evening wine. Wake to sweeping Penobscot River views & unwind by the fire pit at river’s edge. Just 12 minutes to downtown Bangor, with easy access to urban amenities, Bar Harbor, and Acadia Park. @cozycottageinme

Top guest favorite
A scenic view captures a grassy area leading to a dock over Hobb's Pond. Four red Adirondack chairs are arranged around a fire pit made of stones. A mountain rises in the background, framed by fluffy clouds in a blue sky.
Cabin in Hope
4.97 out of 5 average rating, 121 reviews

Hobb’s House - Year Round Log Cabin on the Water

Cozy 2 Beds, 1 pullout sofa bed, 2 Bedroom, 2 Bath Log Cabin with water/mountain views on Hobb’s Pond. Relax on the dock, grill from the deck, canoe (1)/kayaks (2)/swim during the day and relax with your steaming services on the smart TV at night. 5min drive to the Camden Snow Bowl for ski/snowboard during the winter. Ice skate on the pond. Rent out a boat during your stay. 13 min drive to downtown Camden for great restaurants and a sunset cruise on a sailboat. Close proximity to hiking trails!

Top guest favorite
The image captures an aerial view of a serene landscape with lush green trees surrounding calm waters. The shoreline curves gently, leading to a private dock that extends into the water. A soft sunset glow reflects off the surface, creating a peaceful ambiance.
Home in Georgetown
4.99 out of 5 average rating, 107 reviews

Moss House: A Modern Waterfront Cabin in the Woods

Featured in VOGUE and Maine Home + Design, this modern, handcrafted cabin offers calm Atlantic views, 150 feet of shoreline, and a private dock, perfect for morning coffee, launching a kayak, or watching seals, seabirds, and passing boats. Set among tall pines, it blends Nordic and Japanese influences in a space that is calm and composed. Interiors of wood, stone, lime plaster, and concrete form a grounded, quietly expressive, and sustainably built retreat. 1hr from Portland, but a world apart.

Top guest favorite
The image captures a serene view of the water at sunset, with the sun reflecting on the surface. Framed by lush green foliage, a small rustic bench is positioned on the shore, inviting quiet moments of contemplation.
Cottage in Belfast
4.98 out of 5 average rating, 182 reviews

Quiet cottage on the bay

Settle in at this mid-coast Maine treasure, where you will find more than you hoped for in a getaway. Located in a private neighborhood and setback on a private road on 2.5 acres. You can take a short stroll down a wooded path to the Belfast bay and watch the sunset or simply enjoy the view from living room. The rocky beach gives you access to a wonderful piece of the Maine coastline. Come make some memories at this unique, pet and family-friendly quiet cottage just 1 mile to downtown Belfast.

Top guest favorite
A serene waterfront scene features a small boat gliding across calm waters, reflecting the surrounding buildings. A cluster of white cottages stands on pilings, with a dock visible, under a soft pastel sky as day transitions to evening.
Cottage in Brunswick
5 out of 5 average rating, 196 reviews

Lobstermen's ocean-front cottage

Be our guests & experience the life & beauty of Midcoast Maine. Relax & enjoy the views, warm up in the sauna or go for a refreshing dip. The cottage is part of an over 100 year old working lobstering, and now oyster farming property we call, Gurnet Village. Located right on historic Route 24, we are conveniently situated between Brunswick & the islands of Harpswell. All rooms have ocean views. The tidal beach & the floating dock (May-Dec) is ideal for seasonal fishing, lounging & swimming.

Top guest favorite
The cabin, designed with a modern aesthetic, features dark exterior walls and large circular windows. A cozy seating area is visible through the glass doors, which are framed by lush greenery and natural landscaping, inviting relaxation in a serene environment.
Cabin in Georgetown
4.99 out of 5 average rating, 173 reviews

Private Sauna+Beach/Hiking Close+FirePit+S'mores

Come relax and unwind at Pine Cabin! * Private Cedar Sauna w/Glass Front * Minutes to Reid State Park Beach & 5 Island🦞 * Fire Pit w/S'mores * 100% Cotton sheets/towels * Rain Shower & Heated Bathroom Floor * AC/Heat & Automatic Kohler Generator * SmartTV & Record Player w/Vinyl * Fast Broadband Wifi *Pine Cabin is one of two cabins on 8 acres right down the road from one of the best beaches in Maine! The cabins are 150ft. apart and separated by a privacy screen and natural landscaping.

Guest favorite
An aerial view of a lakefront cottage surrounded by lush greenery and a clear lake. A dock can be seen with two boats, and the cottage features large windows that reflect the sunlight. The peaceful setting is complemented by the serene water and shoreline.
Home in Liberty
4.94 out of 5 average rating, 177 reviews

The Pearl of Lake Saint George

Enjoy this beautiful lakefront cottage on pristine Lake St. George with amazing sunrises. The home is year round and heated. Less than a mile from Lake St. George Brewing Company, John’s Ice Cream, and Lori’s Café, the state park and boat launch is also less than three miles away. First floor has 1 bedroom (queen bed), a full bathroom, full kitchen with all essentials, and utility room with a washer and a dryer. The second floor has a half bath and three bedrooms (king, and two queen beds).

Top guest favorite
A serene waterfront view captures calm waters reflecting the sky and surrounding landscape. Lush greenery is visible along the shore, while scattered clouds drift across the blue sky. The tranquil scene invites relaxation and appreciation of nature.
Home in Newcastle
4.99 out of 5 average rating, 179 reviews

Peaceful Oasis by the Great Salt Bay - 3BR/2Ba

Waterfront Retreat with Gorgeous Views Stunning 3-bedroom, 2-bath home perfect for multi-generational gatherings. Features an open-concept layout, chef’s kitchen, 1st-floor bedroom and bath, 2nd floor with 2 bedrooms and 1 bath. Kayak from your backyard, hike nearby trails, or swim in Damariscotta Lake just a 5-minute walk away. Stay connected with high-speed fiber optic WiFi. Close to charming Newcastle and Damariscotta shops and restaurants. A true oasis for nature and relaxation lovers!

Guest favorite
A serene ocean view showcases a sailboat gliding across calm waters, framed by lush greenery and a rocky coastline. The expansive sky is filled with soft clouds, creating a tranquil atmosphere that invites relaxation and reflection.
Cottage in South Thomaston
4.93 out of 5 average rating, 116 reviews

Cottage by the sea private oceanfront shoreline

Breathtaking oceanfront private cottage. Spiral staircase to second floor bedroom. Sliding glass doors open to wrap-around deck and lawn that slopes to Ocean. 300 + feet of deep water frontage. Separated from lawn by broad rock ledge. Perfect spot for sunbathing or having a campfire in the evening. Enjoy your morning coffee watching lobster and sailboats in the Mussel Ridge Channel. Unbelievable and peaceful views out to ocean and north to the Camden Hills. Unparalleled views everywhere.

Guest favorite
A serene lakeside scene features a picnic table surrounded by chairs on a grassy area. Sunlight glimmers on the water's surface, framed by trees displaying autumn foliage. A dock extends into the lake, enhancing the tranquil outdoor atmosphere.
Cottage in Lincolnville
4.82 out of 5 average rating, 108 reviews

Call of the Loon - Water Edge Lake House

Escape to serenity and immerse yourself in the breathtaking sunsets of Fernald's Neck Preserve at our lakeside home on Lake Megunticook, situated just a stone's throw away from the charming town of Camden. Indulge in the magic of Lake Megunticook, explore the nearby hiking trails or simply unwind on the porch with a good book and a view that never ceases to amaze. Book your stay at the Lake House today, and let the tranquility of this retreat wash away the stresses of everyday life.

Top guest favorite
A view from a shaded patio showcases a round table surrounded by wicker chairs. The lush green lawn extends to the water's edge, where trees provide a natural frame for the serene expanse of the bay, dotted with clouds reflecting in the distance.
Home in Belfast
4.92 out of 5 average rating, 192 reviews

Belfast Ocean Breeze

Welcome to an exquisite retreat nestled on a tranquil dead-end lane in the thriving coastal town of Belfast. With private access to Belfast City Park and Ocean, this charming space offers unparalleled serenity, and boasting breathtaking views of Penobscot Bay and beyond. The exceptional grounds offer an ideal setting for relaxation with the added allure of explorations along the shoreline or tennis/ pickleball at park/ year round hot tub. Near downtown and Rt. 1. No parties.

Guest favorite
A charming treehouse structure is surrounded by lush greenery, featuring large windows and a white front door. A small porch with rocking chairs overlooks the forest floor, anchored by a sturdy tree. Natural light streams into the space, enhancing the connection with nature.
Treehouse in Georgetown
4.94 out of 5 average rating, 353 reviews

Tree Dwelling w/ Water Views & Cedar Hot Tub (I)

Experience the airiness of life up among the pines. This unique tree dwelling, with its own private attached wood-fired cedar hot tub, is perched atop a 21-acre wooded hillside sloping to beautiful water views. Enjoy the view from the wood-fired cedar hot-tub or the king size bed--through a wall of windows. This treehouse is cozy all year round, especially in winter. Located in a classic coastal Maine village with Reid State Park's beaches and the famed Five Islands Lobster Co.

Popular amenities for Union waterfront rentals

Quick stats about waterfront rentals in Union

  • Total vacation rentals

    Explore 20 vacation rentals in Union

  • Nightly prices starting at

    Union vacation rentals start at $110 per night before taxes and fees

  • Verified guest reviews

    Over 390 verified reviews to help you choose

  • Family-friendly vacation rentals

    20 properties offer extra space & kid-friendly amenities

  • Pet-friendly vacation rentals

    Find 10 rentals that welcome pets

  • Wi-Fi availability

    20 of Union vacation rentals include wi-fi access

  • Popular amenities for guests

    Guests love Kitchen, Wifi, and Pool across Union rentals

  • 4.9 Average rating

    Union stays are highly rated by guests—averaging 4.9 out of 5!

Destinations to explore

  1. Airbnb
  2. United States
  3. Maine
  4. Knox County
  5. Union
  6. Waterfront rentals